LSize

返回指定bucket下指定key列表的size大小

if err := db.Update(
    func(tx *nutsdb.Tx) error {
            bucket := "bucketForList"
        key := []byte("myList")
        if size,err := tx.LSize(bucket, key); err != nil {
            return err
        } else {
            fmt.Println("myList size is ",size)
        }
        return nil
    }); err != nil {
    log.Fatal(err)
}